Replace streams on hot paths with for loops

Replace a few usages of stream with simple for loops. Although
this doesn't seem to make much difference to performance, it does
help when profiling applications since it reduces the stack
depth.

Author: philwebb

Diff for: spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/Binder.java

@@ -25,7 +25,6 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
-import java.util.Objects;
 import java.util.Set;
 import java.util.function.Consumer;
 import java.util.function.Function;
@@ -490,12 +489,13 @@ private Object bindDataObject(ConfigurationPropertyName name, Bindable<?> target
 	}
 
 	private Object fromDataObjectBinders(BindMethod bindMethod, Function<DataObjectBinder, Object> operation) {
-		return this.dataObjectBinders.get(bindMethod)
-			.stream()
-			.map(operation)
-			.filter(Objects::nonNull)
-			.findFirst()
-			.orElse(null);
+		for (DataObjectBinder dataObjectBinder : this.dataObjectBinders.get(bindMethod)) {
+			Object bound = operation.apply(dataObjectBinder);
+			if (bound != null) {
+				return bound;
+			}
+		}
+		return null;
 	}
 
 	private boolean isUnbindableBean(ConfigurationPropertyName name, Bindable<?> target, Context context) {

Diff for: spring-boot-project/spring-boot/src/main/java/org/springframework/boot/env/OriginTrackedYamlLoader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2024 the original author or authors.
+ * Copyright 2012-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -120,8 +120,11 @@ protected Object constructObject(Node node) {
 		}
 
 		private void replaceMappingNodeKeys(MappingNode node) {
-			List<NodeTuple> newValue = new ArrayList<>();
-			node.getValue().stream().map(KeyScalarNode::get).forEach(newValue::add);
+			List<NodeTuple> value = node.getValue();
+			List<NodeTuple> newValue = new ArrayList<>(value.size());
+			for (NodeTuple tuple : value) {
+				newValue.add(KeyScalarNode.get(tuple));
+			}
 			node.setValue(newValue);
 		}